package com.imooc.sell.service.impl;

import com.imooc.sell.config.WechatPayConfig;
import com.imooc.sell.dto.OrderDTO;
import com.imooc.sell.enums.ResultEnum;
import com.imooc.sell.exception.SellException;
import com.imooc.sell.service.OrderService;
import com.imooc.sell.service.PayService;
import com.imooc.sell.util.JsonUtil;
import com.imooc.sell.util.MathUtil;
import com.lly835.bestpay.config.WxPayH5Config;
import com.lly835.bestpay.enums.BestPayTypeEnum;
import com.lly835.bestpay.model.PayRequest;
import com.lly835.bestpay.model.PayResponse;
import com.lly835.bestpay.model.RefundRequest;
import com.lly835.bestpay.model.RefundResponse;
import com.lly835.bestpay.service.impl.BestPayServiceImpl;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.math.BigDecimal;

/**
 * @author bizy
 * @date 2019/12/1 14:47
 */
@Service
@Slf4j
public class PayServiceImpl implements PayService {
    
    public static final String ORDER_NAME = "微信点餐订单";

    @Autowired
    private BestPayServiceImpl bestPayService;

    @Autowired
    private OrderService orderService;

    @Override
    public PayResponse create(OrderDTO orderDTO) {
        PayRequest payRequest = new PayRequest();
        payRequest.setOpenid(orderDTO.getBuyerOpenid());
        payRequest.setOrderAmount(orderDTO.getOrderAmount().doubleValue());
        payRequest.setOrderId(orderDTO.getOrderId());
        payRequest.setOrderName(ORDER_NAME);
        payRequest.setPayTypeEnum(BestPayTypeEnum.WXPAY_H5);
        log.info("【微信支付】发起支付request={}", JsonUtil.toJson(payRequest));
        PayResponse payResponse = bestPayService.pay(payRequest);
        log.info("【微信支付】发起支付response={}",JsonUtil.toJson(payResponse));
        return payResponse;
    }

    /*
     * @description:微信异步通知
     * @param:
     * @author: bizy
     * @date: 2019/12/23 20:19
     */
    @Override
    public PayResponse notify(String notifyData) {
        //1.验证签名
        //2.支付状态
        //3.支付金额
        //4.支付人

        PayResponse payResponse = bestPayService.asyncNotify(notifyData);
        log.info("【微信支付】异步通知，payResponse={}",JsonUtil.toJson(payResponse));

        //查询订单
        OrderDTO orderDTO = orderService.findOne(payResponse.getOrderId());
        //判断订单是否存在
        if (orderDTO == null) {
            log.error("【微信支付】异步通知，订单不存在,orderId={}",payResponse.getOrderId());
            throw new SellException(ResultEnum.ORDER_NOT_EXIST);
        }
        //判断金额是否一致
        if (!MathUtil.equals(payResponse.getOrderAmount(),orderDTO.getOrderAmount().doubleValue())){
            log.error("【微信支付】异步通知,订单金额不一致,orderId={},微信通知金额={},系统金额={}"
                    ,payResponse.getOrderId(),payResponse.getOrderAmount(),orderDTO.getOrderAmount());
            throw new SellException(ResultEnum.WXPAY_NOTIFY_MONEY_VERIFY_ERROR);
        }
        //修改订单支付状态
        orderService.paid(orderDTO);
        return payResponse;
    }

    /*
     * @description: 退款
     * @param:
     * @author: bizy
     * @date: 2019/12/23 21:26
     */
    @Override
    public RefundResponse refund(OrderDTO orderDTO) {
        RefundRequest refundRequest = new RefundRequest();
        refundRequest.setOrderId(orderDTO.getOrderId());
        refundRequest.setOrderAmount(orderDTO.getOrderAmount().doubleValue());
        refundRequest.setPayTypeEnum(BestPayTypeEnum.WXPAY_H5);
        log.info("【微信退款】request={}",JsonUtil.toJson(refundRequest));
        RefundResponse refundResponse = bestPayService.refund(refundRequest);
        log.info("【微信退款】reponse={}",JsonUtil.toJson(refundResponse));
        return refundResponse;
    }


}
